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The new novel for teenagers by the famous Ukrainian writer Andriy Bachynsky tells about the adventures of three friends who are called the Vataga Veselyh Volohuh. Vit, Vlad, and their friend Vaska go on a dangerous foray into the dungeons of Lviv to see the underground river with their own eyes, but they have no idea what dire consequences this will lead to. Will the friends be able to find a mystical deal with the devil and help the mysterious stranger from the dungeon? Readers will find out about this and more by reading this fascinating book.